Butterfly Valve DN150 Turbine Type with Hand Wheel BS Standard

Butterfly Valve DN150 Turbine Type with Hand Wheel BS Standard

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 1 set

Supply Capability:: 5000 set/month

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1. Manual Wafer Butterfly Valve Description：
A butterfly valve consists of body ,stem ,disc , actuator (manual actuator, worm-gear actuator , aerodynamic actuator or electric actuator) , and wafer type butterfly valve can implement the process for turning on turning off and regulating the flow by the circumrotation of stem and disc that is droved by actuators.
A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick shut off. Butterfly valves are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support is required.

2.Main Features of the Manual Wafer Butterfly Valve
a)Cast hole. Flange connection meet ANSI 125/150# DIN PN10/16 BS4504 PN10/16 in the meanwhile.
b)Soft seat. Replaceable. Increase of service life.
c)Double half shaft without pin.
d) Square and short neck. Easy to stick scutcheon and cost saving.
e).Simple and compact construction. Small in size and light in weight. Easy transportation, installation and maintenance.
f).Quick 90 degrees on-off operation. Minimized operating torque ,energy saving.
g). Excellent sealing performance with no leakage. Long service life.
h). Wide selection of materials ,applicable for various media..
i). Flow curve tending to straight line. Excellent regulation performance.
3. Manual Wafer Butterfly Valve Images：

Butterfly Valve DN150 Turbine Type with Hand Wheel BS Standard

4.Manual Wafer Butterfly Valve Specification：
Butterfly Valve DN150 Turbine Type with Hand Wheel BS Standard

5.FAQ
1. What is manual wafer butterfly valve?
A: Wafer style is the more common of the two and is less expensive than the lug style. The wafer style butterfly valve is just about the standard. It ís so common that no one even bothers to use the word "wafer" when ordering a butterfly valve. It is taken for granted that if a butterfly valve is ordered, a wafer style will be received.

2. How about the Installation of the Wafer Style Butterfly Valve?
A: Butterfly valves are installed by inserting the valve between two flanges using bolts or studs and nuts to hold it all together. This type of installation, of course, makes it impossible to disconnect just one side of the piping system from the valve. That benefit is received using the lug style valve.

3. What is the working principle of manual wafer butterfly valve?
A: A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is fully open, the disc is rotated a quarter turn so that it allows an almost unrestricted passage of the fluid. The valve may also be opened incrementally to throttle flow.

Q: The automotive machine shop who is working on my Corolla head and block said that one of the valves was severely burnt. What causes burnt valves???: Several things, the most common being too much heat in the combustion chambers. The heat literally melts slots in the valve face-I had one from 4.9 Ford truck with a clogged radiator that made the valve look like a sand dollar. Anything causing it to run hot , or hotter than designed, needs to be addressed. The other common problem is opening the exhaust up TOO much-Exhaust valves(which, by the way, are the ones that burn 95% of the time), are designed to have exhaust system backpressure help seat them when they close, thereby transferring the maximum amount of heat from the valve face onto the valve seat, which cools them down before the next cycle. Taking off converters, and staight-piping the exhaust will almost always result in burnt valves. An inoperative EGR system, which by design lowers the combustion chamber temperature , can contribute to valves burning.Overheating , however, is the most common cause.

Q: What is the International Standard or other acceptable calculation or table for determine the air supply of pneumatic actuator in shutdown valve 6 to 24.Desired answer will be air flow in SCFM.Thank you.: Shut down valves I've worked with haven't had an 'Air Flow' for their operation. For the smaller valves, they consist of diaphragm operated valves either held open or closed by pneumatic pressure. The air supply at 25psi to give a diaphragm holding pressure of 15 psi, is via a solenoid valve which dumps the air pressure to either open or close the valve depending upon its function. (That of isolating a system or relieving pressure). The solenoid is actuated by a signal from the shut-down system, and the valve is a 3-way unit which isolates the supply air and vents the pressure off the diaphragm. Other SDV's in my experience, are operated in a similar way but are much larger and are operated by a pneumatic air cylinder and piston with air supplied at 100 psi. Others encountered are ... MOV's...Motor Operated Valves that can be automatically operated from the shutdown system, or Operated Remotely from a safe distance (ROV's).

Q: My AC leaks and mechanic says it is shrader valve. Is it expensive?: No okorder /

Q: We need to replace our erg valve, but we cannot locate it.: I have that very vehicle and have had to locate mine, it is on the passenger side of the engine towards the firewall and it has an 5 pin electronic connector (Mine is Black) on top of a dark grey to black colored cylinder next to the cover on top of the engine. But before you go through replacing it (as it is around $200 to $300 ) try cleaning it with spray type fuel injector cleaner and work the stopper inside in and out until it frees up. This will need to be repeated as the faulty item in my vehicle was an o2 sensor of which there are 4 located throughout the engine. So you will need to have a decoder to check and see which is to blame. Most parts stores will read it for free. Good luck. P.S. my o2 sensor cost about $60 for the part.

Q: I'm 16 and I have a Minor Heart Valve leak, I have to take pills every time I have dental work done, and my aunt said something about maybe looking at surgery. Is it really anything to worry about? is surgery something i should really look at? and are pills really necessary?: A medical consultation is necessary.

Q: Exhaust valve opening (EVO)Intake valve opening (IVO): HI You answered it your self... exhaust valve opening (EVO) is when the exhaust valve opens.. and the same for the intake (IVO).. When the EVO happens the motor pushes the exhaust (burnt fuel) out of the motor when the IVO happens it sucks gas into the motor to get burned and make power.. Exampe of a 4 strock motor. 1) piston goes down , sucking in air and fuel (IVO) 2) piston goes up compressing the air and fuel spark plug fires ignighting the fuel 3) piston goes down turning the crank powering the car from the explosion of Fuel. 4) piston goes back up pushing the spent fuel out. (EVO) then repeats. On a 4 cylinder car this happens 4 different times on an 8 cylinder car 8 different times and on 6 cylinder car 6 different times. When one cylender is firing another well be coming up to push out its spent fuel and another well be going down drawing in fuel and so forth.. good luck tim EDIT IVC = intake valve closes EVC= exhaust valve closes

Q: When i disconnected my Diverter Valve and made it non-recirculating i drove down the street and my engine cut out on me. it will go a few feet and after the excess pressure is released (PSHH) the car cuts out. i reconnected the valve tubing making it rec-circulating and it works fine. im baffled i know VW is supposed to run a DV but last night i saw a stock VW GOLF running blow off and he was stock. any ideas? it is an after market DV made by forge.: Yea... The 1.8T is made so you have to recirc your dv. You can run a BLOW OFF valve off of your throttle hose, but thats a lot of redirecting and work for some silly extra noise. Chip that Passat to get some more turbyturbo noise. Y was there a stock golf with a dv? I'm confused...

Q: Water is seeping up around relief valve threads. Tried tightening but could not get it any tighter.: Is the valve open? If not - i'd open it - the strain of the tank is forcing water out around the valve - with the aid of opening the valve you're going to relieve probably the most pressure. Additionally - turn off the energy and phone a plumber in the morning- your hot water tank can blow up - no longer just right.